No abstract available
MeSH terms
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Abnormalities, Multiple
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Adolescent
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Chromosome Aberrations
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Chromosome Mapping
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Chromosomes, Human, Pair 18 / genetics*
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Craniofacial Abnormalities
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Fatal Outcome
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Health Status
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Heart Defects, Congenital
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Humans
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Karyotyping
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Male
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Phenotype
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Polymerase Chain Reaction
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Survival*
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Syndrome
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Time Factors
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Trisomy / genetics*
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Trisomy / physiopathology*